Q.1.
Match the terms in column-I with suitable terms in column-II
| Column I | Column II |
| P PGAL | i The plant cell wall |
| Q Oleic acid | ii Plasma membrane and membrane of organiles. |
| R Glycerol | iii Unsaturated fatty acid |
| S Phospholipid | iv Phosphate aldotriose sugar |
| T Cellulose | v Trihydroxy alcohol |
-
0%
a) P= v; Q= iv; R= i; S= ii; T= iii
-
100%
b) P= iv; Q= v; R= ii; S= i; T= iii
-
0%
c) P= iii; Q= iv; R= ii; S= v; T= i
-
0%
d)P= iv; Q= iii; R= v; S= ii; T= i
Q.2.
Which of the following options suggest number of carbons in descending order? P Fructose; Q Palmitic acid.; R Ribulose; S Oleic acid.
-
0%
a) R → Q → P → S
-
0%
b) R → P → Q → S
-
0%
c) S → Q → P → R
-
0%
d)S → P → Q → R
Q.3.
A : The myelin sheath around the nerve fibre contain lipid. R : That prevents the passage of nerve impulses in the adjacent nerve fibres.
-
0%
a) If both the assertion and the reason are true and the reason is a correct explanation ofthe assertion.
-
0%
b) If both the assertion and the reason are true and the reason is not a correct explanation of the assertion.
-
0%
c) Assertion is true but the reason is false.
-
0%
d) Assertion is false but the reason is True
Q.4.
Given below is the chemical formula is ... .. [Kerala PMT 2007]
-
0%
a) Palmitic acid
-
0%
b) Stearic acid
-
0%
c) Glycerol
-
0%
d) Galactose
Q.5.
Polypeptide chain of amino acid is:
-
0%
a) Nucleic acid
-
0%
b) Glycogen
-
100%
c) Protein
-
0%
d) Cellulose
Q.6.
The primary structure of proteins is due to
-
0%
a) Ionic bonds
-
100%
b) Peptide bonds
-
0%
c) Hydrogen bond
-
0%
d) S-S Linkages
Q.7.
The secondary structure of protein means
-
0%
a) The flat and sheet like polypeptide chain
-
0%
b) The helically coiled like polypeptide chain
-
0%
c) The folding of polypeptide chain due to the presence of hydrogen bond
-
100%
d) a, b, c all
Q.8.
Nucleic acid contains which group of molecules in their constitution?
-
0%
a) C, H, N and S
-
100%
b) C, H, O, N and S
-
0%
c) C, H, N, O, and P
-
0%
d) C, H, N and O
Q.9.
Which two sequential carbon number of nucleotides join through phosphodiester bond?
-
0%
a) 3 and 5
-
0%
b) 1 and 4
-
0%
c) 1 and 6
-
0%
d) 2 and 5
Q.10.
Enzyme involved in hydrolysis of starch to maltose is called: [PMT 1999]
-
0%
a) Sucrase
-
0%
b) Amylase
-
0%
c) Lactase
-
0%
d) Maltase
Q.11.
A: peptide bond is formed between the -COOH group of one amino acid and -NH2 group of another amino acid molecule R: a module of H2O is added in this process.
-
0%
a) Both A & R are true and R is the correct explanation of A
-
100%
b) Both A & R are true but R is not the correct explanation of A
-
0%
c) A true R false
-
0%
d) both A & R are false
Q.12.
DNA nucleotides are attached with [A.F.M.C.2001]
-
0%
a) Hydrogen bonds
-
0%
b) covalent bonds
-
0%
c) Vander Waal's force
-
0%
d) Electrovalent bonds
Q.13.
Which enzyme is needed to digest food reserve in pea seeds?
-
0%
a) Lipase
-
0%
b) Nuclease
-
0%
c) Proteases
-
0%
d) Amylase
Q.14.
Carbonic anhydrase is activated in the presence of which elements?
-
0%
a) Mb
-
0%
b) Mn
-
0%
c) Ca
-
0%
d) Zn
Q.15.
Which one is not a co. Enzyme?
-
0%
a) NAD
-
0%
b) NADP
-
0%
c) FAD
-
0%
d) ADP
Q.16.
A: some protein transport nutrients across all membrane R: the variation in the different species of living organisms is due to the variation in their bimolecular
-
0%
a) Both A & R are true and R is the correct explanation of A
-
0%
b) Both A & R are true but R is not the correct explanation of A
-
0%
c) A true R false
-
0%
d) both A & R are false
Q.17.
Nucleotides are building blocks of nucleic acids each nucleotide is a composite Molecule formed by [C.B.S.C. 2005]
-
0%
a) (base-sugar-phosphate)n
-
0%
b) base-sugar-OH
-
0%
c) base-sugar-phosphate
-
0%
d) sugar-phosphate
Q.18.
The catalytic efficiency of two different enzymes can be compared by the
-
0%
a) The Km value
-
0%
b) The PH optimum value
-
0%
c) Formation of the product
-
0%
d) Molecular size of the enzyme
Q.19.
A: In the structure of oils, a molecules of three fatty acids and one glycerol. R : In the structure of oils only one Glycosidic bond.
-
0%
a) If both the assertion and the reason are true and the reason is a correct explanation ofthe assertion.
-
0%
b) If both the assertion and the reason are true and the reason is not a correct explanation of the assertion.
-
0%
c) Assertion is true but the reason is false.
-
0%
d) Assertion is false but the reason is True
Q.20.
Which the following regarding to examples of Keto sugar is not correctly?
-
0%
a) Fructose
-
0%
b) Ribulose
-
0%
c) Ribose sugar
-
0%
d) Dihydroxy acetose.
Q.21.
A : Polysaccharide, Protiens compounds have molecular weights in the range of ten thousand Daltons and above. R : The exception of Lipids, have molecular weights in the range of ten thousand Daltons and above.
-
0%
a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion.
-
0%
b) If both the assertion and the reason are true and the reason is not a correct explanation of the assertion.
-
0%
c) Assertion is true but the reason is false.
-
0%
d) Assertion is false but the reason is True
Q.22.
hich molecules are the consist of a following molecule structure?
-
0%
a) 3 glycerol + 1 fatty acid
-
0%
b) 1 glycerol + 3 fatty acid
-
0%
c) 3 glycerol + 3 fatty acid
-
0%
d) glycerol + fatty acid
Q.23.
Match the items in column-I with items in column-II and the correct answer. [Kerala PMT 2006]
| Column I | Column II |
| P Triglyceride | i. Animal hormones |
| Q. Membrane lipid | ii. Feathers and leaves |
| R. Steroid | iii. Phospholipids |
| S. Wax | iv. Fat stored in the form of droplets. |
-
0%
a) P= iv; Q= iii; R= i; S= ii
-
0%
b) P= iv; Q= i; R= iii; S= ii
-
0%
c) P= iii; Q= iv; R= i; S= ii
-
0%
d) P= iv; Q= i; R= ii; S= iii
Q.24.
A : The general formula of disaccharide is Cn(H2O)n-1 R : The formula of sucrose is C12H22O11
-
0%
a) If both the assertion and the reason are true and the reason is a correct explanation ofthe assertion.
-
0%
b) If both the assertion and the reason are true and the reason is not a correct explanation of the assertion.
-
0%
c) Assertion is true but the reason is false.
-
0%
d) Assertion is false but the reason is True
Q.25.
Which of the following cell organelle is stored the information of synthesize Proteins?
-
0%
a) Mitochondria
-
0%
b) Nucleus
-
0%
c) Chloroplast
-
0%
d) Cell membrane
Q.26.
The unique property of each amino acid is determined by its particular:
-
0%
a) -COOH group
-
0%
b) -NH2 group
-
100%
c) -R group
-
0%
d) peptide bond
Q.27.
Which one of the following is an amphoteric compound?
-
0%
a) Fatty acid
-
0%
b) Glutamic acid
-
0%
c) Nucleic acid
-
0%
d) Cellulose
Q.28.
Which one is the correct group of amino acids with polar and negatively Charged -R group?
-
0%
a) Glutamate, Tyrosine
-
0%
b) Argentine, Lysine
-
0%
c) Tryptophan, Proline
-
100%
d) Glutamate, Aspartic acid
Q.29.
Which one is not correct for hemoglobin?
-
0%
a) It is known as conjugated protein
-
0%
b) It is the combination 0f 2- α and 2-&betta chain
-
100%
c) It is a protein which imparts color to the body
-
0%
d) It is molecule which contains four hacme groups.
Q.30.
Give the correct names of A, B and C shown in the figure
-
0%
a) A= Haem group, B=α - chain, C=&beeta -chain
-
100%
b) A=&beeta chain, B= Hacme group, C= =α -chain
-
0%
c) A= S-S bond, B=Haem group, C= peptide chain
-
0%
d) A =α - chain, B=S-S bonds, C=&beeta -chain
Q.31.
A : Vitamins A, D and E are fat soluble R : Vitamins D and E are synthesized from the derivatives of lipids
-
0%
a) If both the assertion and the reason are true and the reason is a correct explanation ofthe assertion.
-
0%
b) If both the assertion and the reason are true and the reason is not a correct explanation of the assertion.
-
0%
c) Assertion is true but the reason is false.
-
0%
d) Assertion is false but the reason is True
Q.32.
The structure of protein can be destroyed by which rays
-
0%
a) Ultra violet rays
-
0%
b) Infra red rays
-
0%
c) Radio waves
-
0%
d) Micro waves
Q.33.
Proteins Consist which one of the following
-
0%
a) One polypeptide
-
0%
b) One polypeptide chain
-
0%
c) One or more polypeptide chain
-
100%
d) One α and other &beeta- chain
Q.34.
Which one molecule is finding a Weakly acidic substrate of unknown function in The nuclei of human WBC ?
-
0%
a) Nucleic acid
-
0%
b) nuclein
-
0%
c) Protein
-
100%
d) Chromosome
Q.35.
What does the following diagram show?
-
25%
a) Quaternary structure of protein
-
0%
b) polypeptide chain
-
0%
c) Molecule structure of protein
-
75%
d) Secondary structure of protein
Q.36.
Nucleic acids are related with which activity?
-
0%
a) Digestion
-
0%
b) Respiration
-
0%
c) Reproduction
-
0%
d) Heredity
Q.37.
The distance between two chains of DNA molecules is:
-
0%
a) 34Å
-
0%
b) 20Å
-
100%
c) 3.4Å
-
0%
d) 10Å
Q.38.
Which one is two ringed nitrogenous base?
-
0%
a) Thymine
-
0%
b) Adenine
-
0%
c) Cytosine
-
0%
d) Uracil
Q.39.
Which is the part of DNA molecules that varies among DNA molecule
-
0%
a) Pentose sugar
-
0%
b) nitrogen base
-
0%
c) phosphate
-
0%
d) a & b both
Q.40.
What is Ribozymes?
-
0%
a) Only nucleic acids
-
0%
b) ony protein
-
0%
c) Some nucleic acids that behave like enzyme
-
0%
d) More than one Ribosome
Q.41.
Which one property is not true for enzyme?
-
0%
a) It effective for one reaction is not useful in another reaction
-
0%
b) It is amphoteric in nature
-
0%
c) All enzymes are bidirectional
-
0%
d) All enzymes are bidirectional
Q.42.
Enzymes are named after their substrate adding suffix -
-
0%
a) - In
-
0%
b) - ase
-
0%
c) - ose
-
0%
d) - on
Q.43.
the enzyme which also known as scissor?
-
0%
a) Lyases
-
0%
b) Ligarer
-
0%
c) Isomerases
-
0%
d) Trans ferasess
Q.44.
The enzyme which break up fructose 1, 6 biphosphate in to fructose phosphates known?
-
0%
a) Aldolase
-
0%
b) Phosphatase
-
0%
c) Fructose phosphase
-
0%
d) Fructose
Q.45.
Find out the correct group of co. factor which is activated enolase?
-
0%
a) Mg, Co, Ca
-
0%
b) Mg, Mn, Zn
-
0%
c) Co, Ca, V
-
0%
d) Mn, Zn, V
Q.46.
Which of the following structure shows the molecules?
-
0%
a) Glucose
-
0%
b) Fructose
-
0%
c) Galactose
-
0%
d) None of these
Q.47.
What is co - enzyme?
-
0%
a) Always a protein
-
0%
b) always a amino acid
-
0%
c) Often a vitamin
-
0%
d) Often a protein
Q.48.
Nitrogen bases do not contain
-
0%
a) Phosphorus
-
0%
b) Nitrogen
-
0%
c) Hydrogen
-
0%
d) Carbon
Q.49.
Which one group is the subunit of nucleotide?
-
0%
a) Pentose sugar, nitrogen
-
0%
b) Purina, pyrimidine, phosphorus
-
0%
c) Nitrogen base, sugar
-
0%
d) pentose sugar, Nitrogen base , phosphoric acid
Q.50.
m-RNA is the polymer of
-
0%
a) Ribonucleotide
-
0%
b) Ribonucleoside
-
0%
c) Deoxyribonucleotide
-
0%
d) Ribosome